Home / 486,485.56-671,343.62-271,629.24

Finding the Fourth Proportional to 486,485.56, 671,343.62 and 271,629.24

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Solution

The fourth proportional to 486,485.56, 671,343.62 and 271,629.24 is: 374,844.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,485.56 : 671,343.62 = 271,629.24 : x
  2. Step 2: Convert to fraction form
    486,485.56/671,343.62 = 271,629.24/x
  3. Step 3: Cross multiply
    486,485.56x = 671,343.62 × 271,629.24
  4. Step 4: Simplify right side
    486,485.56x = 182,356,557,279.45
  5. Step 5: Solve for x
    x = 182,356,557,279.45/486,485.56
  6. Step 6: Final answer
    x = 374,844.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.